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<li class="navelem"><a class="el" href="dir_ed137715e08969a186ec660e8ae6e2fb.html">original</a></li><li class="navelem"><a class="el" href="dir_567c3d26e49279b9b333522ab6afbde5.html">libAACdec</a></li><li class="navelem"><a class="el" href="dir_79773b509e606fdb3ad5ca043386e2ef.html">src</a></li>  </ul>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* -----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">Software License for The Fraunhofer FDK AAC Codec Library for Android</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">© Copyright  1995 - 2019 Fraunhofer-Gesellschaft zur Förderung der angewandten</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">Forschung e.V. All rights reserved.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> 1.    INTRODUCTION</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">The Fraunhofer FDK AAC Codec Library for Android (&quot;FDK AAC Codec&quot;) is software</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">that implements the MPEG Advanced Audio Coding (&quot;AAC&quot;) encoding and decoding</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment">scheme for digital audio. This FDK AAC Codec software is intended to be used on</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">a wide variety of Android devices.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">AAC&#39;s HE-AAC and HE-AAC v2 versions are regarded as today&#39;s most efficient</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment">general perceptual audio codecs. AAC-ELD is considered the best-performing</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">full-bandwidth communications codec by independent studies and is widely</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">deployed. AAC has been standardized by ISO and IEC as part of the MPEG</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment">specifications.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment">Patent licenses for necessary patent claims for the FDK AAC Codec (including</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment">those of Fraunhofer) may be obtained through Via Licensing</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment">(www.vialicensing.com) or through the respective patent owners individually for</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">the purpose of encoding or decoding bit streams in products that are compliant</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment">with the ISO/IEC MPEG audio standards. Please note that most manufacturers of</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment">Android devices already license these patent claims through Via Licensing or</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment">directly from the patent owners, and therefore FDK AAC Codec software may</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment">already be covered under those patent licenses when it is used for those</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment">licensed purposes only.</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment">Commercially-licensed AAC software libraries, including floating-point versions</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment">with enhanced sound quality, are also available from Fraunhofer. Users are</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment">encouraged to check the Fraunhofer website for additional applications</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment">information and documentation.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment">2.    COPYRIGHT LICENSE</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment">Redistribution and use in source and binary forms, with or without modification,</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment">are permitted without payment of copyright license fees provided that you</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment">satisfy the following conditions:</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment">You must retain the complete text of this software license in redistributions of</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">the FDK AAC Codec or your modifications thereto in source code form.</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment">You must retain the complete text of this software license in the documentation</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment">and/or other materials provided with redistributions of the FDK AAC Codec or</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="comment">your modifications thereto in binary form. You must make available free of</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="comment">charge copies of the complete source code of the FDK AAC Codec and your</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment">modifications thereto to recipients of copies in binary form.</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment">The name of Fraunhofer may not be used to endorse or promote products derived</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment">from this library without prior written permission.</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment">You may not charge copyright license fees for anyone to use, copy or distribute</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment">the FDK AAC Codec software or your modifications thereto.</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment">Your modified versions of the FDK AAC Codec must carry prominent notices stating</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="comment">that you changed the software and the date of any change. For modified versions</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="comment">of the FDK AAC Codec, the term &quot;Fraunhofer FDK AAC Codec Library for Android&quot;</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment">must be replaced by the term &quot;Third-Party Modified Version of the Fraunhofer FDK</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment">AAC Codec Library for Android.&quot;</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="comment">3.    NO PATENT LICENSE</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="comment">NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment">limitation the patents of Fraunhofer, ARE GRANTED BY THIS SOFTWARE LICENSE.</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment">Fraunhofer provides no warranty of patent non-infringement with respect to this</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment">software.</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="comment">You may use this FDK AAC Codec software or modifications thereto only for</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="comment">purposes that are authorized by appropriate patent licenses.</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="comment">4.    DISCLAIMER</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="comment">This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment">holders and contributors &quot;AS IS&quot; and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES,</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment">including but not limited to the implied warranties of merchantability and</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment">fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment">CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary,</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment">or consequential damages, including but not limited to procurement of substitute</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="comment">goods or services; loss of use, data, or profits, or business interruption,</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment">however caused and on any theory of liability, whether in contract, strict</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="comment">liability, or tort (including negligence), arising in any way out of the use of</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="comment">this software, even if advised of the possibility of such damage.</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment">5.    CONTACT INFORMATION</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="comment">Fraunhofer Institute for Integrated Circuits IIS</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="comment">Attention: Audio and Multimedia Departments - FDK AAC LL</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="comment">Am Wolfsmantel 33</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="comment">91058 Erlangen, Germany</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="comment">www.iis.fraunhofer.de/amm</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="comment">amm-info@iis.fraunhofer.de</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="comment">----------------------------------------------------------------------------- */</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160; </div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="comment">/**************************** AAC decoder library ******************************</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment">   Author(s):   Josef Hoepfl</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment">   Description: long/short-block decoding</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="comment">*******************************************************************************/</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160; </div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="preprocessor">#ifndef BLOCK_H</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="preprocessor">#define BLOCK_H</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160; </div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="preprocessor">#include &quot;common_fix.h&quot;</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="preprocessor">#include &quot;channelinfo.h&quot;</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="preprocessor">#include &quot;FDK_bitstream.h&quot;</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160; </div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="comment">/* PNS (of block) */</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="keywordtype">void</span> CPns_Read(<a class="code" href="struct_c_pns_data.html">CPnsData</a> *pPnsData, <a class="code" href="struct_f_d_k___b_i_t_s_t_r_e_a_m.html">HANDLE_FDK_BITSTREAM</a> bs,</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;               <span class="keyword">const</span> <a class="code" href="struct_code_book_description.html">CodeBookDescription</a> *hcb, <a class="code" href="machine__type_8h.html#ac29555e80bd1ec1b5e40b732df417090">SHORT</a> *pScaleFactor,</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;               <a class="code" href="machine__type_8h.html#aed5a2dbe32af3a91203f0f5e8697e873">UCHAR</a> global_gain, <span class="keywordtype">int</span> band, <span class="keywordtype">int</span> group);</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160; </div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="keywordtype">void</span> CPns_Apply(<span class="keyword">const</span> <a class="code" href="struct_c_pns_data.html">CPnsData</a> *pPnsData, <span class="keyword">const</span> <a class="code" href="struct_c_ics_info.html">CIcsInfo</a> *pIcsInfo,</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;                SPECTRAL_PTR pSpectrum, <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#ac29555e80bd1ec1b5e40b732df417090">SHORT</a> *pSpecScale,</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;                <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#ac29555e80bd1ec1b5e40b732df417090">SHORT</a> *pScaleFactor,</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;                <span class="keyword">const</span> <a class="code" href="struct_sampling_rate_info.html">SamplingRateInfo</a> *pSamplingRateInfo,</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;                <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#a4cf9af43a95c45c3d469658098dfbe1a">INT</a> granuleLength, <span class="keyword">const</span> <span class="keywordtype">int</span> channel);</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160; </div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="keywordtype">void</span> CBlock_ApplyNoise(<a class="code" href="struct_c_aac_decoder_channel_info.html">CAacDecoderChannelInfo</a> *pAacDecoderChannelInfo,</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;                       <a class="code" href="struct_sampling_rate_info.html">SamplingRateInfo</a> *pSamplingRateInfo, <a class="code" href="machine__type_8h.html#a6b1d94bcd9123a6d01d2d28b8ec5e25e">ULONG</a> *nfRandomSeed,</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;                       <a class="code" href="machine__type_8h.html#aed5a2dbe32af3a91203f0f5e8697e873">UCHAR</a> *band_is_noise);</div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160; </div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="comment">/* TNS (of block) */</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="keywordtype">void</span> CTns_ReadDataPresentFlag(<a class="code" href="struct_f_d_k___b_i_t_s_t_r_e_a_m.html">HANDLE_FDK_BITSTREAM</a> bs, <a class="code" href="struct_c_tns_data.html">CTnsData</a> *pTnsData);</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160; </div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="keywordtype">void</span> CTns_ReadDataPresentUsac(<a class="code" href="struct_f_d_k___b_i_t_s_t_r_e_a_m.html">HANDLE_FDK_BITSTREAM</a> hBs, <a class="code" href="struct_c_tns_data.html">CTnsData</a> *pTnsData0,</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;                              <a class="code" href="struct_c_tns_data.html">CTnsData</a> *pTnsData1, <a class="code" href="machine__type_8h.html#aed5a2dbe32af3a91203f0f5e8697e873">UCHAR</a> *ptns_on_lr,</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;                              <span class="keyword">const</span> <a class="code" href="struct_c_ics_info.html">CIcsInfo</a> *pIcsInfo, <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> flags,</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;                              <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> elFlags, <span class="keyword">const</span> <span class="keywordtype">int</span> fCommonWindow);</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160; </div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<a class="code" href="aacdecoder__lib_8h.html#afbc7e8b4f1613dfd8cb91b681eeb9d41">AAC_DECODER_ERROR</a> CTns_Read(<a class="code" href="struct_f_d_k___b_i_t_s_t_r_e_a_m.html">HANDLE_FDK_BITSTREAM</a> bs, <a class="code" href="struct_c_tns_data.html">CTnsData</a> *pTnsData,</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;                            <span class="keyword">const</span> <a class="code" href="struct_c_ics_info.html">CIcsInfo</a> *pIcsInfo, <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> flags);</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160; </div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;<span class="keywordtype">void</span> CTns_Apply(<a class="code" href="struct_c_tns_data.html">CTnsData</a> *<a class="code" href="machine__type_8h.html#aae3356b63849abbe8789dd41648ee90a">RESTRICT</a> pTnsData, </div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;                <span class="keyword">const</span> <a class="code" href="struct_c_ics_info.html">CIcsInfo</a> *pIcsInfo, SPECTRAL_PTR pSpectralCoefficient,</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;                <span class="keyword">const</span> <a class="code" href="struct_sampling_rate_info.html">SamplingRateInfo</a> *pSamplingRateInfo,</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;                <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#a4cf9af43a95c45c3d469658098dfbe1a">INT</a> granuleLength, <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#aed5a2dbe32af3a91203f0f5e8697e873">UCHAR</a> nbands,</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;                <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#aed5a2dbe32af3a91203f0f5e8697e873">UCHAR</a> igf_active, <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> flags);</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160; </div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;<span class="comment">/* Block */</span></div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160; </div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<a class="code" href="machine__type_8h.html#adeeed35101214b62ebabd7bf71f27ab1">LONG</a> CBlock_GetEscape(<a class="code" href="struct_f_d_k___b_i_t_s_t_r_e_a_m.html">HANDLE_FDK_BITSTREAM</a> bs, <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#adeeed35101214b62ebabd7bf71f27ab1">LONG</a> q);</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160; </div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;<a class="code" href="aacdecoder__lib_8h.html#afbc7e8b4f1613dfd8cb91b681eeb9d41">AAC_DECODER_ERROR</a> CBlock_ReadScaleFactorData(</div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    <a class="code" href="struct_c_aac_decoder_channel_info.html">CAacDecoderChannelInfo</a> *pAacDecoderChannelInfo, <a class="code" href="struct_f_d_k___b_i_t_s_t_r_e_a_m.html">HANDLE_FDK_BITSTREAM</a> bs,</div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> flags);</div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160; </div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;<a class="code" href="aacdecoder__lib_8h.html#afbc7e8b4f1613dfd8cb91b681eeb9d41">AAC_DECODER_ERROR</a> CBlock_ReadSpectralData(</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;    <a class="code" href="struct_f_d_k___b_i_t_s_t_r_e_a_m.html">HANDLE_FDK_BITSTREAM</a> bs, <a class="code" href="struct_c_aac_decoder_channel_info.html">CAacDecoderChannelInfo</a> *pAacDecoderChannelInfo,</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    <span class="keyword">const</span> <a class="code" href="struct_sampling_rate_info.html">SamplingRateInfo</a> *pSamplingRateInfo, <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> flags);</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160; </div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;<a class="code" href="aacdecoder__lib_8h.html#afbc7e8b4f1613dfd8cb91b681eeb9d41">AAC_DECODER_ERROR</a> CBlock_ReadAcSpectralData(</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    <a class="code" href="struct_f_d_k___b_i_t_s_t_r_e_a_m.html">HANDLE_FDK_BITSTREAM</a> hBs, <a class="code" href="struct_c_aac_decoder_channel_info.html">CAacDecoderChannelInfo</a> *pAacDecoderChannelInfo,</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    <a class="code" href="struct_c_aac_decoder_static_channel_info.html">CAacDecoderStaticChannelInfo</a> *pAacDecoderStaticChannelInfo,</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;    <span class="keyword">const</span> <a class="code" href="struct_sampling_rate_info.html">SamplingRateInfo</a> *pSamplingRateInfo, <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> frame_length,</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> flags);</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160; </div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<a class="code" href="aacdecoder__lib_8h.html#afbc7e8b4f1613dfd8cb91b681eeb9d41">AAC_DECODER_ERROR</a> CBlock_ReadSectionData(</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    <a class="code" href="struct_f_d_k___b_i_t_s_t_r_e_a_m.html">HANDLE_FDK_BITSTREAM</a> bs, <a class="code" href="struct_c_aac_decoder_channel_info.html">CAacDecoderChannelInfo</a> *pAacDecoderChannelInfo,</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    <span class="keyword">const</span> <a class="code" href="struct_sampling_rate_info.html">SamplingRateInfo</a> *pSamplingRateInfo, <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> flags);</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160; </div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;<span class="keywordtype">void</span> CBlock_ScaleSpectralData(<a class="code" href="struct_c_aac_decoder_channel_info.html">CAacDecoderChannelInfo</a> *pAacDecoderChannelInfo,</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;                              <a class="code" href="machine__type_8h.html#aed5a2dbe32af3a91203f0f5e8697e873">UCHAR</a> maxSfbs,</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;                              <a class="code" href="struct_sampling_rate_info.html">SamplingRateInfo</a> *pSamplingRateInfo);</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160; </div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;<span class="keywordtype">void</span> ApplyTools(<a class="code" href="struct_c_aac_decoder_channel_info.html">CAacDecoderChannelInfo</a> *pAacDecoderChannelInfo[],</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;                <span class="keyword">const</span> <a class="code" href="struct_sampling_rate_info.html">SamplingRateInfo</a> *pSamplingRateInfo, <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> flags,</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;                <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> elFlags, <span class="keyword">const</span> <span class="keywordtype">int</span> channel, <span class="keyword">const</span> <span class="keywordtype">int</span> maybe_jstereo);</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160; </div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;<span class="keywordtype">void</span> CBlock_FrequencyToTime(</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    <a class="code" href="struct_c_aac_decoder_static_channel_info.html">CAacDecoderStaticChannelInfo</a> *pAacDecoderStaticChannelInfo,</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    <a class="code" href="struct_c_aac_decoder_channel_info.html">CAacDecoderChannelInfo</a> *pAacDecoderChannelInfo, PCM_DEC outSamples[],</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;    <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#ac29555e80bd1ec1b5e40b732df417090">SHORT</a> frameLen, <span class="keyword">const</span> <span class="keywordtype">int</span> frameOk, FIXP_DBL *pWorkBuffer1,</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;    <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#a4cf9af43a95c45c3d469658098dfbe1a">INT</a> aacOutDataHeadroom, <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> elFlags, <a class="code" href="machine__type_8h.html#a4cf9af43a95c45c3d469658098dfbe1a">INT</a> elCh);</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160; </div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;<span class="keywordtype">void</span> CBlock_FrequencyToTimeLowDelay(</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;    <a class="code" href="struct_c_aac_decoder_static_channel_info.html">CAacDecoderStaticChannelInfo</a> *pAacDecoderStaticChannelInfo,</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;    <a class="code" href="struct_c_aac_decoder_channel_info.html">CAacDecoderChannelInfo</a> *pAacDecoderChannelInfo, PCM_DEC outSamples[],</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">short</span> frameLen);</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160; </div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<a class="code" href="aacdecoder__lib_8h.html#afbc7e8b4f1613dfd8cb91b681eeb9d41">AAC_DECODER_ERROR</a> CBlock_InverseQuantizeSpectralData(</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;    <a class="code" href="struct_c_aac_decoder_channel_info.html">CAacDecoderChannelInfo</a> *pAacDecoderChannelInfo,</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    <a class="code" href="struct_sampling_rate_info.html">SamplingRateInfo</a> *pSamplingRateInfo, <a class="code" href="machine__type_8h.html#aed5a2dbe32af3a91203f0f5e8697e873">UCHAR</a> *band_is_noise,</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;    <a class="code" href="machine__type_8h.html#aed5a2dbe32af3a91203f0f5e8697e873">UCHAR</a> active_band_search);</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160; </div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<a class="code" href="machine__type_8h.html#ac328fd3129680d9a29a35bbe9174818a">FDK_INLINE</a></div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="keywordtype">int</span> EvaluatePower43(FIXP_DBL *pValue, <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> lsb) {</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;  FIXP_DBL value;</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;  <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> freeBits;</div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;  <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> exponent;</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160; </div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;  value = *pValue;</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;  freeBits = fNormz(value);</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;  exponent = DFRACT_BITS - freeBits;</div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;  FDK_ASSERT(exponent &lt; 14);</div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160; </div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;  <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> x = (((int)value &lt;&lt; freeBits) &gt;&gt; 19);</div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;  <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> tableIndex = (x &amp; 0x0FFF) &gt;&gt; 4;</div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;  FIXP_DBL invQVal;</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160; </div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;  x = x &amp; 0x0F;</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160; </div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;  <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> r0 = (<a class="code" href="machine__type_8h.html#adeeed35101214b62ebabd7bf71f27ab1">LONG</a>)InverseQuantTable[tableIndex + 0];</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;  <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> r1 = (<a class="code" href="machine__type_8h.html#adeeed35101214b62ebabd7bf71f27ab1">LONG</a>)InverseQuantTable[tableIndex + 1];</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;  <a class="code" href="machine__type_8h.html#a17877e7a70f122032cacbbf98aad8b3d">USHORT</a> nx = 16 - x;</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;  <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> temp = (r0)*nx + (r1)*x;</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;  invQVal = (FIXP_DBL)temp;</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160; </div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;  FDK_ASSERT(lsb &lt; 4);</div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;  *pValue = fMultDiv2(invQVal, MantissaTable[lsb][exponent]);</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160; </div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;  <span class="comment">/* + 1 compensates fMultDiv2(). */</span></div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;  <span class="keywordflow">return</span> ExponentTable[lsb][exponent] + 1;</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;}</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160; </div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;<span class="comment">/* Recalculate gain */</span></div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;FIXP_DBL get_gain(<span class="keyword">const</span> FIXP_DBL *x, <span class="keyword">const</span> FIXP_DBL *y, <span class="keywordtype">int</span> n);</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160; </div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;<a class="code" href="machine__type_8h.html#ac328fd3129680d9a29a35bbe9174818a">FDK_INLINE</a> <span class="keywordtype">int</span> GetScaleFromValue(FIXP_DBL value, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> lsb) {</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;  <span class="keywordflow">if</span> (value != (FIXP_DBL)0) {</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;    <span class="keywordtype">int</span> scale = EvaluatePower43(&amp;value, lsb);</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;    <span class="keywordflow">return</span> CntLeadingZeros(value) - scale - 2;</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;  } <span class="keywordflow">else</span></div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;    <span class="keywordflow">return</span> 0; <span class="comment">/* Return zero, because its useless to scale a zero value, saves</span></div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;<span class="comment">                 workload and avoids scaling overshifts. */</span></div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;}</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160; </div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> CBlock_DecodeHuffmanWord(</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;    <a class="code" href="struct_f_d_k___b_i_t_s_t_r_e_a_m.html">HANDLE_FDK_BITSTREAM</a> bs,        </div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;    <span class="keyword">const</span> <a class="code" href="struct_code_book_description.html">CodeBookDescription</a> *hcb) </div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;{</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;  <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> val;</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;  <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> index = 0;</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;  <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#a17877e7a70f122032cacbbf98aad8b3d">USHORT</a>(*CodeBook)[HuffmanEntries] = hcb-&gt;CodeBook;</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160; </div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;  <span class="keywordflow">while</span> (1) {</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;    val = CodeBook[index]</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;                  [FDKreadBits(bs, HuffmanBits)]; <span class="comment">/* Expensive memory access */</span></div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160; </div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;    <span class="keywordflow">if</span> ((val &amp; 1) == 0) {</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;      index = val &gt;&gt; 2;</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;      <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;      <span class="keywordflow">if</span> (val &amp; 2) {</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;        FDKpushBackCache(bs, 1);</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;      }</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160; </div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;      val &gt;&gt;= 2;</div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;      <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;    }</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;  }</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160; </div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;  <span class="keywordflow">return</span> val;</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;}</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> CBlock_DecodeHuffmanWordCB(</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;    <a class="code" href="struct_f_d_k___b_i_t_s_t_r_e_a_m.html">HANDLE_FDK_BITSTREAM</a> bs, </div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;    <span class="keyword">const</span> <a class="code" href="machine__type_8h.html#a17877e7a70f122032cacbbf98aad8b3d">USHORT</a> (</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;        *CodeBook)[HuffmanEntries]) </div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;{</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;  <a class="code" href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a> index = 0;</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160; </div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;  <span class="keywordflow">while</span> (1) {</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;    index = CodeBook[index][FDKread2Bits(bs)]; <span class="comment">/* Expensive memory access */</span></div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;    <span class="keywordflow">if</span> (index &amp; 1) <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;    index &gt;&gt;= 2;</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;  }</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;  <span class="keywordflow">if</span> (index &amp; 2) {</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;    FDKpushBackCache(bs, 1);</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;  }</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;  <span class="keywordflow">return</span> index &gt;&gt; 2;</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;}</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160; </div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* #ifndef BLOCK_H */</span><span class="preprocessor"></span></div>
<div class="ttc" id="aaacdecoder__lib_8h_html_afbc7e8b4f1613dfd8cb91b681eeb9d41"><div class="ttname"><a href="aacdecoder__lib_8h.html#afbc7e8b4f1613dfd8cb91b681eeb9d41">AAC_DECODER_ERROR</a></div><div class="ttdeci">AAC_DECODER_ERROR</div><div class="ttdoc">AAC decoder error codes.</div><div class="ttdef"><b>Definition:</b> aacdecoder_lib.h:443</div></div>
<div class="ttc" id="amachine__type_8h_html_a17877e7a70f122032cacbbf98aad8b3d"><div class="ttname"><a href="machine__type_8h.html#a17877e7a70f122032cacbbf98aad8b3d">USHORT</a></div><div class="ttdeci">unsigned short USHORT</div><div class="ttdef"><b>Definition:</b> machine_type.h:188</div></div>
<div class="ttc" id="amachine__type_8h_html_a4cf9af43a95c45c3d469658098dfbe1a"><div class="ttname"><a href="machine__type_8h.html#a4cf9af43a95c45c3d469658098dfbe1a">INT</a></div><div class="ttdeci">signed int INT</div><div class="ttdef"><b>Definition:</b> machine_type.h:176</div></div>
<div class="ttc" id="amachine__type_8h_html_a6b1d94bcd9123a6d01d2d28b8ec5e25e"><div class="ttname"><a href="machine__type_8h.html#a6b1d94bcd9123a6d01d2d28b8ec5e25e">ULONG</a></div><div class="ttdeci">unsigned long ULONG</div><div class="ttdef"><b>Definition:</b> machine_type.h:185</div></div>
<div class="ttc" id="amachine__type_8h_html_aae3356b63849abbe8789dd41648ee90a"><div class="ttname"><a href="machine__type_8h.html#aae3356b63849abbe8789dd41648ee90a">RESTRICT</a></div><div class="ttdeci">#define RESTRICT</div><div class="ttdef"><b>Definition:</b> machine_type.h:289</div></div>
<div class="ttc" id="amachine__type_8h_html_ac29555e80bd1ec1b5e40b732df417090"><div class="ttname"><a href="machine__type_8h.html#ac29555e80bd1ec1b5e40b732df417090">SHORT</a></div><div class="ttdeci">signed short SHORT</div><div class="ttdef"><b>Definition:</b> machine_type.h:187</div></div>
<div class="ttc" id="amachine__type_8h_html_ac328fd3129680d9a29a35bbe9174818a"><div class="ttname"><a href="machine__type_8h.html#ac328fd3129680d9a29a35bbe9174818a">FDK_INLINE</a></div><div class="ttdeci">#define FDK_INLINE</div><div class="ttdef"><b>Definition:</b> machine_type.h:340</div></div>
<div class="ttc" id="amachine__type_8h_html_adeeed35101214b62ebabd7bf71f27ab1"><div class="ttname"><a href="machine__type_8h.html#adeeed35101214b62ebabd7bf71f27ab1">LONG</a></div><div class="ttdeci">signed long LONG</div><div class="ttdef"><b>Definition:</b> machine_type.h:184</div></div>
<div class="ttc" id="amachine__type_8h_html_aed5a2dbe32af3a91203f0f5e8697e873"><div class="ttname"><a href="machine__type_8h.html#aed5a2dbe32af3a91203f0f5e8697e873">UCHAR</a></div><div class="ttdeci">unsigned char UCHAR</div><div class="ttdef"><b>Definition:</b> machine_type.h:190</div></div>
<div class="ttc" id="amachine__type_8h_html_afff0ab3629a68bc1bb3b2a2f4296173f"><div class="ttname"><a href="machine__type_8h.html#afff0ab3629a68bc1bb3b2a2f4296173f">UINT</a></div><div class="ttdeci">unsigned int UINT</div><div class="ttdef"><b>Definition:</b> machine_type.h:177</div></div>
<div class="ttc" id="astruct_c_aac_decoder_channel_info_html"><div class="ttname"><a href="struct_c_aac_decoder_channel_info.html">CAacDecoderChannelInfo</a></div><div class="ttdef"><b>Definition:</b> channelinfo.h:357</div></div>
<div class="ttc" id="astruct_c_aac_decoder_static_channel_info_html"><div class="ttname"><a href="struct_c_aac_decoder_static_channel_info.html">CAacDecoderStaticChannelInfo</a></div><div class="ttdef"><b>Definition:</b> channelinfo.h:201</div></div>
<div class="ttc" id="astruct_c_ics_info_html"><div class="ttname"><a href="struct_c_ics_info.html">CIcsInfo</a></div><div class="ttdef"><b>Definition:</b> channelinfo.h:166</div></div>
<div class="ttc" id="astruct_c_pns_data_html"><div class="ttname"><a href="struct_c_pns_data.html">CPnsData</a></div><div class="ttdef"><b>Definition:</b> aacdec_pns.h:114</div></div>
<div class="ttc" id="astruct_c_tns_data_html"><div class="ttname"><a href="struct_c_tns_data.html">CTnsData</a></div><div class="ttdef"><b>Definition:</b> aacdec_tns.h:135</div></div>
<div class="ttc" id="astruct_code_book_description_html"><div class="ttname"><a href="struct_code_book_description.html">CodeBookDescription</a></div><div class="ttdef"><b>Definition:</b> aac_rom.h:159</div></div>
<div class="ttc" id="astruct_f_d_k___b_i_t_s_t_r_e_a_m_html"><div class="ttname"><a href="struct_f_d_k___b_i_t_s_t_r_e_a_m.html">FDK_BITSTREAM</a></div><div class="ttdef"><b>Definition:</b> FDK_bitstream.h:117</div></div>
<div class="ttc" id="astruct_sampling_rate_info_html"><div class="ttname"><a href="struct_sampling_rate_info.html">SamplingRateInfo</a></div><div class="ttdef"><b>Definition:</b> channelinfo.h:151</div></div>
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